GHSA-MPF8-4HX2-7CJG vm2 Host Promise Resolution Preserves Object Identity Across Sandbox Boundary

Summary A sandbox boundary violation in vm2 allows host object identity to cross into the sandbox through host Promise resolution. When a host-side Promise that resolves to a host object is exposed to the sandbox, the value delivered to the sandbox .then callback preserves host identity. This...

PT-2026-38391

Name of the Vulnerable Software and Affected Versions vm2 versions prior to 3.11.0 Description A sandbox boundary violation allows host object identity to cross into the sandbox through host Promise resolution. When a host-side Promise that resolves to a host object is exposed to the sandbox, the...